What will be the output of the following PHP code ?$a1 = array("a" => "red", "b"

"red", "b" => "green", "c" => "blue", "d" => "yellow");$result = array_flip($a1)"> "red", "b""> What will be the output of the following PHP code ?$a1 = array("a" => "red", "b" "red", "b""> "red", "b" => "green", "c" => "blue", "d" => "yellow");$result = array_flip($a1)"> "red", "b"" /> "red", "b" => "green", "c" => "blue", "d" => "yellow");$result = array_flip($a1)" /> "red", "b" => "green", "c" => "blue", "d" => "yellow");$result = array_flip($a1)" />

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What will be the output of the following PHP code ?$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");$result = array_flip($a1);print_r($result);

Options:

A . Array ( [red] => a [green] => b [blue] => c [yellow] => d )

B . Array ( [a] => a [b] => b [c] => c [d] => d )

C . Array ( [a] => red [b] => green [c] => blue [d] => yellow )

D . Array ( [red] => red [green] => green [blue] => blue [yellow] => yellow )

Answer: Option A

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